You use your computer for several hours every day. Why is it important to have the proper hand rest and an adjustable workstation and to take frequent breaks from typing?
What will be an ideal response?
Repetitive motion in the hand or wrist, such as using a computer keyboard and mouse, can cause tendons in your hands to become inflamed and press against the nerve, resulting in numbness or tingling in the hand and pain that may affect the wrist, hand, and fingers. This condition, known as carpal tunnel syndrome, is increasingly common as people spend more time operating computer keyboards and playing video games.
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Birds generate a lot of heat, especially during flight. Yet the adipose tissue under their skin and the feathers atop their skin make it difficult to eliminate excess heat across the skin
Which of the following alternatives can absorb body heat and eliminate it from the bird most effectively? A) air in the air sacs B) lymph in the lymphatic vessels C) blood in the vessels D) blood in the heart E) urine in the bladder
Chromosomes decondense during what phase of mitosis?
a. prophase b. metaphase c. anaphase d. telophase
Consider a gene in mice that is normally maternally imprinted. If a deletion occurred in the gene, rendering it nonfunctional, what would be the expected phenotypic result?
A. If the mutation occurred in the maternal copy of the gene, the mouse would be mutant, but if the mutation occurred in the paternal copy of the gene, the mouse would be wild type. B. If the gene behaves in a dominant manner, the mouse would be mutant, but if the gene behaves in a recessive manner, the mouse would be wild type. C. If the mutation occurred in the maternal copy of the gene, the mouse would be wild-type, but if the mutation occurred in the paternal copy of the gene, the mouse would be mutant. D. Because the gene is maternally imprinted, all female mice would be mutant, but all male mice would be wild type. E. Because the gene is maternally imprinted, all female mice would be wild type, but all male mice would be mutant.
Nitrosomonas and Nitrobacter require oxygen for ATP production, they would be classified as ____
Fill in the blank(s) with correct word